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Related Experiment Videos

Enamel conditioning for orthodontic bonding with a single-step bonding agent.

Heike Korbmacher1, Arndt Klocke, Lothar Huck

  • 1Department of Orthodontics, University of Hamburg, Germany. korbmach@uke.uni-hamburg.de

Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopadie : Organ/Official Journal Deutsche Gesellschaft Fur Kieferorthopadie
|November 22, 2002
PubMed
Summary

A new enamel conditioning method shows comparable bond strength to the conventional phosphoric acid etch technique. While one adhesive (Transbond XT) performed better than another (Enlight), the alternative method is a viable option for orthodontic bracket bonding.

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Area of Science:

  • Dental materials science
  • Orthodontic technology
  • Adhesive dentistry

Background:

  • The conventional acid etch technique using 37% phosphoric acid is standard for enamel conditioning before orthodontic bracket bonding.
  • Alternative, potentially simpler, enamel conditioning methods are being explored to improve clinical efficiency.

Purpose of the Study:

  • To evaluate an alternative enamel conditioning method (Prompt L-Pop) against the conventional 37% phosphoric acid etch technique.
  • To compare the bond strength of two different orthodontic adhesives (Transbond XT and Enlight) using these conditioning methods.

Main Methods:

  • 240 human teeth were divided into 16 groups.
  • Enamel was conditioned using either Prompt L-Pop or 37% phosphoric acid.
  • Brackets were bonded using Transbond XT or Enlight adhesives.

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  • Shear and tensile bond strength were tested, and SEM was used for surface analysis.

    • Main Results:

    • No statistically significant difference in bond strength was found between the Prompt L-Pop and phosphoric acid conditioning methods.
    • Transbond XT demonstrated significantly higher bond strength compared to Enlight.
    • No enamel fractures were observed with either conditioning method.

    Conclusions:

    • The Prompt L-Pop single-step bonding agent provides acceptable enamel bond strength.
    • The alternative method is a promising option, with further in vivo studies planned to assess clinical performance.